* {
    margin: 0;
    padding: 0;
    /* 清除ul圆点，img自带边距*/
    list-style: none;
    /* 自减盒子模型 */
    box-sizing: border-box;
    /* 清除下划线 */
    text-decoration: none;
}

.body {
    background-color: #F7F7F7;
}

.head {
    width: 100%;
    height: 120px;
    padding-left: 80px;
    display: flex;
}

.logo {
    width: 200px;
    height: 120px;
}

.logo>img {
    padding-top: 20px;
}

.nav ul {
    width: 1320px;
    height: 120px;
    line-height: 120px;
    font-size: 20px;
    text-align: center;
    display: flex;
    justify-content: flex-end;
    color: #878787;
}

.nav ul>li {
    padding-right: 60px;
}

.nav ul>li:nth-child(3) span {
    color: #519f10;
}

.nav>ul>li span hr:nth-child(1) {
    margin-top: -34px;
}

.nav>ul>li:hover span {
    color: #519f10;
}

.nav ul li a {
    color: #878787;
}

.sreach ul {
    margin-left: 50px;
    width: 200px;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sreach a {
    color: #000;
}

.sreach span {
    font-size: 36px;
}

.submit {
    height: 100px;
    padding: 0px 100px 0 100px;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #F7F7F7;
}

.submit a {
    padding-left: 50px;
    color: #878787;
}

.submit a:hover {
    color: #519f10;
}

.main {
    width: 100%;
    margin: auto;
    margin-bottom: 160px;
}

.main ul {
    width: 1700px;
    height: 960px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.main ul li {
    width: 320px;
    height: 450px;
    font-size: 20px;
    color: #555555;
}

.main ul li img {
    width: 320px;
    height: 320px;
}

.main ul li span {
    transition: all .6s ease;
}

.main ul li p {
    color: #8e8e8e;
}

.main ul li:hover span {
    color: #519f10;
}

.main ul li hr {
    margin: 10px 0;
    height: 2px;
    border: none;
    background-color: #aeaeae27;
    width: 0;
    transition: all .6s ease;
}

.main ul li:hover hr {
    width: 100%;
    background-color: #519f10;
}

.foot {
    width: 100%;
    height: 340px;
    margin: auto;
    background-image: url(../img/image.png);
}